Our investigation is about energy. We chose this topic because it is solar interesting how the sun has enough power to spin something fast.
Our question is: will the motor spin faster under the sun or under a flashlight?
Our hypothesis is that it will spin faster under the sun.
Our plan is to face the solar cell to the sun. Then we will get a flashlight and face it to the solar cell. Last, we will record what happened.
We found out that under the sun it spins faster, but under the flashlight it doesn’t spin at all.
This is a solar cell. This wire is connected to the back of the solar cell. When light comes to the solar cell it passes through this wire and makes it spin. Here is a picture of the inside of the solar cell.
We used books to get more information about solar power.
This book's name is “Facts on Water, Wind, and Solar Power” by Guy Arnold. It helped us get more information about solar energy.
This book’s name is “How did we find out about Solar Power” by Isaac Asimov. This book also helped us get more information about solar energy.
Our new question is: “why does the motor spin under the sun and why doesn’t it spin under the flashlight?”
This is what we learned about solar energy.
[Chart from next page]
a National Science Foundation-supported, University of Maryland Baltimore County-sponsored teacher enhancement program.
All materials featured on this site are the property of ESIP.